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Re: [Qemu-devel] [PATCH 2/2] ide: Handle flush failure


From: Christoph Hellwig
Subject: Re: [Qemu-devel] [PATCH 2/2] ide: Handle flush failure
Date: Thu, 21 Oct 2010 07:21:32 +0200
User-agent: Mutt/1.3.28i

On Tue, Oct 19, 2010 at 05:08:52PM +0200, Kevin Wolf wrote:
> Instead of always assuming success for bdrv_aio_flush, actually do something
> with the error. This respects the werror option and accordingly ignores the
> error, reports it to the guest or stops the VM and retries after cont.
> 
> Ignoring the error is trivial, obviously. For stopping the VM and retrying
> later old code can be reused, but we need to introduce a new status for "retry
> a flush". For reporting to the guest, fortunately the same action is required
> as for a failed read/write (status = DRDY | ERR, error = ABRT), so this code
> can be reused as well.

ACK




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